Earthquake Research Institute / Hokkaido University / University of Tokyo / Minoru Kasahara Institute of Seismology / Institute of Seismology / Ehime University / Hirosaki University / National Research Institute / Tohoku University / /
Honshu island / Hidaka Mountains / Sea of Japan / Kurile Islands island / Philippine Sea / Japan islands / Pacific Ocean / Kurile Islands / Sea / Japanese Islands / Hidaka Mountain Range / Islands island / Japan island / Kurile island / Okhotsk / /
Organization
Institute of Seismology and Volcanology / National Research Institute for Earth Science / Japan Meteorological Agency / Seismological Society of Japan / Tohoku Univ. / Japanese Society for Planetary Sciences / Ehime University / Hirosaki University / Geodetic Society of Japan / University of Tokyo / Hokkaido University / European Union / Kei Katsumata / Naoto Wada / and Minoru Kasahara Institute of Seismology and Volcanology / Tohoku University / National Research Institute for Earth Science and Disaster Prevention / Volcanological Society of Japan / Earthquake Research Institute / Society of Geomagnetism / /